Composite hollow filamentary film of porous ceramics and process

Details Composite hollow filamentary film of porous ceramics and process Composite hollow filamentary film of porous ceramics and process

1996-05-02

1998-09-22

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

Plural layers

55524, 55DIG5, 427228, B01D 6912, B01D 7102

Patent

active

058109129

ABSTRACT:
A composite porous ceramic hollow fiber obtained by dipping a porous ceramic hollow fiber into a carbon precursor-forming solution, picking up and drying the dipped porous ceramic hollow fiber, heating the thus deposited carbon precursor-forming film, thereby obtaining a carbon precursor thin film, and heating the carbon precursor thin film at a carbon precursor thermal decomposition temperature, thereby forming a carbon thin film on the porous ceramic hollow fiber has a permeance about 100 to about 1,000 times as high as that of an organic thin film and a separation coefficient as high as that of the organic thin film.

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